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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Thought I was the only one to write loop inside of loop mess hehe
In case of SQL, the description of desired output is very unclear
Lovely
Dude, that looks amazing!